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3.
The act of playing a musical instrument called the guitar.
hey dudes, I will catch u later I am going to go spank the plank.
by Stevie Mtz November 18, 2007
 
1.
1) to masterbate
2) musical slang - to over indulgue in a guitar solo

(both samething really)
Pete took centre stage and spanked the plank for fifteen minutes before somebody turned his amp off.
by black flag May 30, 2004
 
2.
1 : to engage in or perform a dance
2 : to move or seem to move up and down or about in a quick or lively manner
transitive senses
1 : to perform or take part in as a dancer
2 : to cause to dance
3 : to bring into a specified condition by dancing
"Hey babe. Get your groove on. Let's go spank the planks."
by KWB March 14, 2005